air pipe,blower and cyclone,working process is that the air flow is formed through the negative pressure of blower,the material mix together,so the moisture is separated from the raw material when passing the cyclone.at last,the material is dried,the dryer with the advantages of high capacity,easy to operation,low cost and etc,is widely used in charcoal briquettes production line coal and charcoal processing industry,pellets making line and etctechnical parameter